28378710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7333}}^1$

素因数の和:7389

約数の個数: 48

約数和(自身を含む): 75510864

約数和(自身を除く): 47132154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 7333, 14666, 21999, 36665, 43998, 65997, 73330, 109995, 131994, 219990, 315319, 329985, 630638, 659970, 945957, 1576595, 1891914, 2837871, 3153190, 4729785, 5675742, 9459570, 14189355, 28378710]

約数ペア:

[(1, 28378710), (2, 14189355), (3, 9459570), (5, 5675742), (6, 4729785), (9, 3153190), (10, 2837871), (15, 1891914), (18, 1576595), (30, 945957), (43, 659970), (45, 630638), (86, 329985), (90, 315319), (129, 219990), (215, 131994), (258, 109995), (387, 73330), (430, 65997), (645, 43998), (774, 36665), (1290, 21999), (1935, 14666), (3870, 7333)]